Elon Musk has turned a long-running joke about being an extraterrestrial into a central part of his public persona, even as ...

Elon Musk claims he's an alien—and frustrated nobody believes him. Discover the billionaire's escalating extraterrestrial ...

Quite a bit of movie magic made "Alien" the sci-fi horror classic it is -- but one of its biggest challenges was solved with a simple low-tech tactic.